﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>改变背景颜色</title>
    <script type="text/javascript">
        function ChangeBackgroundColor() {
            document.body.bgColor = "green";
        }
    </script>
</head>
<body onclick="ChangeBackgroundColor()">
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</body>
</html>